<template>
  <header class="header">
    <!-- 头部的第一行 -->
    <div class="top">
      <div class="container">
        <div class="loginList">
          <p>尚品汇欢迎您！</p>
          <p v-if="nickName">
            <span>欢迎你</span>
            <a>{{ nickName }}</a>
            <a class="register" @click="outLogin">退出登录</a>
          </p>
          <p v-else>
            <span>请</span>
            <router-link to="/login">登录</router-link>
            <router-link to="/register" class="register">免费注册</router-link>
          </p>
        </div>
        <div class="typeList">
          <router-link to="/center">我的订单</router-link>
          <router-link to="/shopCart">我的购物车</router-link>
          <a href="###">我的尚品汇</a>
          <a href="###">尚品汇会员</a>
          <a href="###">企业采购</a>
          <a href="###">关注尚品汇</a>
          <a href="###">合作招商</a>
          <a href="###">商家后台</a>
        </div>
      </div>
    </div>
    <!--头部第二行 搜索区域-->
    <div class="bottom">
      <h1 class="logoArea">
        <router-link class="logo" to="/home">
          <img src="./images/logo.png" alt="" />
        </router-link>
      </h1>
      <div class="searchArea">
        <form action="###" class="searchForm">
          <input
            type="text"
            id="autocomplete"
            class="input-error input-xxlarge"
            v-model="keyword"
          />
          <router-link
            class="sui-btn btn-xlarge btn-danger"
            :to="{
              name: 'search',
              // params传递参数时,不能使用空串传递,否则会直接清空搜索栏
              // 所以使用null替代
              params: {
                keyword: keyword || null,
              },
              query: $route.query,
            }"
            tag="button"
          >
            搜索
          </router-link>
        </form>
      </div>
    </div>
  </header>
</template>

<script>
import { mapActions } from 'vuex'

export default {
  naem: 'Header',
  data() {
    return {
      keyword: '',
    }
  },
  computed: {
    nickName() {
      return this.$store.state.user.userInfo.nickName
    },
  },
  methods: {
    ...mapActions('user', ['loginOut']),
    async outLogin() {
      // 退出登录,首先需要想服务器发送请求,使得当前token失效,当前token失效后
      // 当地的token依然存在,当前路由守卫只会鉴定token是否存在,不会鉴定当前是否可用,这时还是会直接携带token发送请求
      // 这时后端鉴权就会显示未登录返回undefined给予userinfo,这时就会出现显示登录但是却无法获取数据的状况
      // 所以需要再删除本地的所有数据
      try {
        await this.loginOut()
      } catch (error) {
        console.log(error)
      }
    },
  },
  mounted() {
    this.$bus.$on('clearkeywords', () => {
      this.keyword = ''
    })
  },
}
</script>

<style lang="less" scoped>
.header {
  & > .top {
    background-color: #eaeaea;
    height: 30px;
    line-height: 30px;

    .container {
      width: 1200px;
      margin: 0 auto;
      overflow: hidden;

      .loginList {
        float: left;

        p {
          float: left;
          margin-right: 10px;

          .register {
            border-left: 1px solid #b3aeae;
            padding: 0 5px;
            margin-left: 5px;
          }
        }
      }

      .typeList {
        float: right;

        a {
          padding: 0 10px;

          & + a {
            border-left: 1px solid #b3aeae;
          }
        }
      }
    }
  }

  & > .bottom {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;

    .logoArea {
      float: left;

      .logo {
        img {
          width: 175px;
          margin: 25px 45px;
        }
      }
    }

    .searchArea {
      float: right;
      margin-top: 35px;

      .searchForm {
        overflow: hidden;

        input {
          box-sizing: border-box;
          width: 490px;
          height: 32px;
          padding: 0px 4px;
          border: 2px solid #ea4a36;
          float: left;

          &:focus {
            outline: none;
          }
        }

        button {
          height: 32px;
          width: 68px;
          background-color: #ea4a36;
          border: none;
          color: #fff;
          float: left;
          cursor: pointer;

          &:focus {
            outline: none;
          }
        }
      }
    }
  }
}
</style>
